SIMPLE PRESENT
Affirmative
- I mask
- you mask
- she/he/it masks
- we mask
- you mask
- they mask
Negative
- I do not mask
- you do not mask
- she/he/it does not mask
- we do not mask
- you do not mask
- they do not mask
Interrogative
- do I mask ?
- do you mask ?
- does she/he/it mask ?
- do we mask ?
- do you mask ?
- do they mask ?
Negative - Interrogative
- do I not mask ?
- do you not mask ?
- does she/he/it not mask ?
- do we not mask ?
- do you not mask ?
- do they not mask ?
PRESENT CONTINUOUS
Affirmative
- I am masking
- you are masking
- she/he/it is masking
- we are masking
- you are masking
- they are masking
Negative
- I am not masking
- you are not masking
- she/he/it is not masking
- we are not masking
- you are not masking
- they are not masking
Interrogative
- am I masking ?
- are you masking ?
- is she/he/it masking ?
- are we masking ?
- are you masking ?
- are they masking ?
Negative - Interrogative
- am I not masking ?
- are you not masking ?
- is she/he/it not masking ?
- are we not masking ?
- are you not masking ?
- are they not masking ?
SIMPLE PAST
Affirmative
- I masked
- you masked
- she/he/it masked
- we masked
- you masked
- they masked
Negative
- I did not mask
- you did not mask
- she/he/it did not mask
- we did not mask
- you did not mask
- they did not mask
Interrogative
- did I mask ?
- did you mask ?
- did she/he/it mask ?
- did we mask ?
- did you mask ?
- did they mask ?
Negative - Interrogative
- did I not mask ?
- did you not mask ?
- did she/he/it not mask ?
- did we not mask ?
- did you not mask ?
- did they not mask ?
PRESENT PERFECT
Affirmative
- I have masked
- you have masked
- she/he/it has masked
- we have masked
- you have masked
- they have masked
Negative
- I have not masked
- you have not masked
- she/he/it has not masked
- we have not masked
- you have not masked
- they have not masked
Interrogative
- have I masked ?
- have you masked ?
- has she/he/it masked ?
- have we masked ?
- have you masked ?
- have they masked ?
Negative - Interrogative
- have I not masked ?
- have you not masked ?
- has she/he/it not masked ?
- have we not masked ?
- have you not masked ?
- have they not masked ?
PAST CONTINUOUS
Affirmative
- I was masking
- you were masking
- she/he/it was masking
- we were masking
- you were masking
- they were masking
Negative
- I was not masking
- you were not masking
- she/he/it was not masking
- you were not masking
- you were not masking
- they were not masking
Interrogative
- was I masking ?
- were you masking ?
- was she/he/it masking ?
- were we masking ?
- were you masking ?
- were they masking ?
Negative - Interrogative
- was I not masking ?
- were you not masking ?
- was she/he/it not masking ?
- were we not masking ?
- were you not masking ?
- were they not masking ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been masking
- you have been masking
- she/he/it has been masking
- we have been masking
- you have been masking
- they have been masking
Negative
- I have not been masking
- you have not been masking
- she/he/it has not been masking
- we have not been masking
- you have not been masking
- they have not been masking
Interrogative
- have I been masking ?
- have you been masking ?
- has she/he/it been masking ?
- have we been masking ?
- have you been masking ?
- have they been masking ?
Negative - Interrogative
- have I not been masking ?
- have you not been masking ?
- has she/he/it not been masking ?
- have we not been masking ?
- have you not been masking ?
- have they not been masking ?
PAST PERFECT
Affirmative
- I had masked
- you had masked
- she/he/it had masked
- we had masked
- you had masked
- they had masked
Negative
- I had not masked
- you had not masked
- she/he/it had not masked
- we had not masked
- you had not masked
- they had not masked
Interrogative
- had I masked ?
- had you masked ?
- had she/he/it masked ?
- had we masked ?
- had you masked ?
- had they masked ?
Negative - Interrogative
- had I not masked ?
- had you not masked ?
- had she/he/it not masked ?
- had we not masked ?
- had you not masked ?
- had they not masked ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been masking
- you had been masking
- she/he/it had been masking
- we had been masking
- you had been masking
- they had been masking
Negative
- I had not been masking
- you had not been masking
- she/he/it had not been masking
- we had not been masking
- you had not been masking
- they had not been masking
Interrogative
- had I been masking ?
- had you been masking ?
- had she/he/it been masking ?
- had we been masking ?
- had you been masking ?
- had they been masking ?
Negative - Interrogative
- had I not been masking ?
- had you not been masking ?
- had she/he/it not been masking ?
- had we not been masking ?
- had you not been masking ?
- had they not been masking ?